David Letterman's Final 'Late Show' Date Set

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It's still unclear when his replacement, Stephen Colbert, will begin his 'Late Show' run

David Letterman will host his final episode of CBS' The Late Show on Wednesday, May 20, 2015, it was announced Wednesday by CBS and Letterman's production company, Worldwide Pants.

It's still unclear when his replacement, Stephen Colbert, will take over the show, but Colbert is ending The Colbert Report on Dec. 18. That gives the Comedy Central star at least five months to shed his conservative character as he prepares to host The Late Show.

"David Letterman has given to all of us a remarkable legacy of achievement and creative brilliance that will never be forgotten," CBS CEO Leslie Moonves said in a statement. "It's going to be tough to say goodbye, but I know we will all cherish the shows leading up to Dave's final broadcast in May."